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Table 4 Age-specific lung cancer detection data from Mayo Lung Project

From: Using observational data to estimate an upper bound on the reduction in cancer mortality due to periodic screening

  number detected number at risk
age F I S R* C* F I S R* C*
51 2 1 1 0 0 375 3086 2363 54 706
52 5 1 2 0 0 392 3147 2444 88 1264
53 4 0 3 0 1 365 3113 2414 117 1732
54 4 1 1 1 1 374 3125 2417 114 1684
55 5 2 4 0 4 354 3106 2419 139 1736
56 4 1 2 0 2 364 3126 2414 322 1722
57 3 0 6 0 1 366 3100 2417 136 1663
58 5 0 4 0 3 317 2985 2353 110 1664
59 4 1 3 1 1 330 3005 2385 101 1641
60 4 2 5 0 10 315 2933 2330 74 1601
61 5 0 4 0 2 301 2836 2275 61 1526
62 5 1 2 0 3 302 2742 2162 57 1485
63 5 0 3 0 5 248 2563 2072 60 1504
64 6 2 9 1 3 242 2410 1903 59 1389
65 3 4 2 1 5 232 2224 1768 65 1355
66 5 1 2 0 0 170 2004 1612 65 1272
67 3 1 6 0 2 176 1834 1446 64 1176
68 5 3 3 0 2 149 1550 1213 54 1099
69 3 0 5 0 3 124 1357 1068 29 963
  1. F = first screen, I = interval between screens, S = subsequent screen, R = refuser, C = control (after 6 year washout period) * data excluded for PSE with only screened subjects